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TOEFL
/
Listening practice
/ Section 7FGS
Listen to an Academic Talk
Listen to part of a talk in a philosophy of science class.
Listen
46. Why does the speaker introduce the complication in the last part of the talk?
A
To withdraw the claim made earlier
B
To show that predictions almost never fail in practice
C
To acknowledge that a failed prediction does not by itself condemn a theory
D
To explain why the instruments used are the usual source of error in such tests